PIRSA:14120051

TCSA: solving RG flows using Conformal Field Theory?

Hogervorst, M. (2014). TCSA: solving RG flows using Conformal Field Theory?. Perimeter Institute. https://pirsa.org/14120051

Hogervorst, Matthijs. TCSA: solving RG flows using Conformal Field Theory?. Perimeter Institute, Dec. 16, 2014, https://pirsa.org/14120051 

          @misc{ pirsa_PIRSA:14120051,
            doi = {10.48660/14120051},
            url = {https://pirsa.org/14120051},
            author = {Hogervorst, Matthijs},
            keywords = {Quantum Fields and Strings},
            language = {en},
            title = {TCSA: solving RG flows using Conformal Field Theory?},
            publisher = {Perimeter Institute},
            year = {2014},
            month = {dec},
            note = {PIRSA:14120051 see, \url{https://pirsa.org}}
          }

Matthijs Hogervorst L'Ecole Polytechnique Federale de Lausanne (EPFL)

DOI 10.48660/14120051
Collection
Talk Type Scientific Series
Subject

Abstract

The Truncated Conformal Space Approach (TCSA) is a method that allows for controlled calculations in strongly coupled quantum field theories. It can be used whenever a theory is conformally invariant at short distances, and allows infrared quantities to be calculated in terms of the CFT data of this UV theory.

As an example, I will discuss how the TCSA applies to phi^4 theory in D dimensions and I will show that the method reliably reproduces several nonperturbative phenomena.